Index
SIPROTEC, 7SK80, Manual
E50417-G1140-C344-A5, Release date 11.2012
510
G
General Device Pickup 258
General diagrams 423
General tripping 259
Ground fault
Measurement procedure cos ϕ 188
Ground Fault Check 341
Ground Fault Detection
Current Element for cos-ϕ/ sin-ϕ 186
Current Element for U0/10-ϕ 193
Direction Determination for cos-ϕ/ sin-ϕ 187, 201
Logic for cos-ϕ/ sin-ϕ 189
Logic for U0/10-ϕ 194
Tripping Range for U0/10-ϕ 193
Voltage Element for cos-ϕ/ sin-ϕ 185
Voltage Element for U0/10-ϕ 192
Ground fault detection
Trip time delay at V0/I0 ϕ 203
Group switchover of the function parameters 412
H
Hardware monitoring 164
Hours Meter "CB open" 263
Humidity 357
I
I/O 2 Extension Module 245
Inrush Restraint 72, 94
Inrush restraint 94, 374
Insulation test 355
Insulation Test of Temperature Detectors 355
Interlocked Switching 290
Intermittent Ground Fault Protection 207
Intermittent ground fault protection 395
Inverse Time Overcurrent Protection 66
Inverse-time overcurrent protection 362
L
Limits for CFC blocks 405
Limits for user-defined functions 405
Load jam protection 387
Local measured value monitoring 410
Long-term mean values 409
M
Malfunction responses of monitoring equipment 182
Measured value monitoring 164
Measuring voltage failure detection 169
Mechanical tests 356
Min./max. memory 409
Minimum Inhibit Time 135
Monitoring of the Circuit Breaker Auxiliary Contacts 220
Monitoring of the Current Flow 219
Motor restart inhibit 386
Motor starting time supervision 385
N
Negative sequence protection (definite-time
characteristic) 378
Negative sequence protection (inverse-time
characteristics) 379
Non-interlocked Switching 290
O
Offset Monitoring 167
Operating hours counter 411
Operational Measured Temperature Values 401, 401
Operational measured values 408
Ordering Data 418
Output relays binary outputs 352
Overfrequency 150
Overload protection 154
P
Phase rotation reversal 256
Phase Sequence Monitoring 169
Pickup logic 258
Polarity Check for Current Input I
N
342
Port A 352
Port B 353
R
Recordings for Tests 346
Regulations 355
Restart Threshold 135
Restart Time 135
Reverse Interlocking Busbar Protection 76
Rotor Overload Detection 135
RTD-Box 324
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